Hey pal,
What is the purpose of creating section in RED BOX.
If you didn't created any level according to model and there is no model in that level.
How can you expect macro will select only single model if there are bunch of models in just a single level.
Before expecting result from RED BOX , first you have to create level according to number of models.
And there should be only one model in one level.
Also have a look items in GREEN BOX.
Hope you understand.
There are errors in your macro at initial stage. First correct them.
Creating MACRO is tricky job, but once they ready they are super productive and quite interesting too. Just play around them.
Cheers !